Windows only: Check the various values and variables on your computer more easily using desktop diagnosis tool PC Audit. Available as a portable-friendly standalone executable, PC Audit checks system values covering everything from your BIOS version to Windows Product Key to startup entries. In addition, it will list all the software with versions you have installed and provide the full path name to all your active processes to help you identify and hunt them down if need be. If you need more information than the lightweight PC Audit provides, check out System Information Windows to dig deeper. PC Audit is a free download for Windows only.